Finding the Fourth Proportional to 146,466.94, 202,122.56 and 86,043.09
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Solution
The fourth proportional to 146,466.94, 202,122.56 and 86,043.09 is: 118,738.40
Step by Step Solution
- Step 1: Write the proportion equation
146,466.94 : 202,122.56 = 86,043.09 : x - Step 2: Convert to fraction form
146,466.94/202,122.56 = 86,043.09/x - Step 3: Cross multiply
146,466.94x = 202,122.56 × 86,043.09 - Step 4: Simplify right side
146,466.94x = 17,391,249,621.11 - Step 5: Solve for x
x = 17,391,249,621.11/146,466.94 - Step 6: Final answer
x = 118,738.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.